- Oct 9 August de Boeck, Flemish composer, dies at 72
- Oct 9 George August Alexander Alting von Geusau, Dutch Minister of war (1918-20), dies at 73
- Oct 15 James Marcus, American actor (The Eagle, The Lonely Trail), dies from a heart attack at 70
- Oct 16 Jean de Brunhoff, French children's book author (Babar the Elephant), dies at 37
- Oct 16 William Sealy Gosset, English statistician (Student's t-distribution), dies at 61
- Oct 19 Betty Carver, wife of English WWII Field Marshal Bernard Montgomery, dies
Ernest Rutherford
Oct 19 Ernest Rutherford, New Zealand physicist (Nobel Prize 1908), dies at 66
